drill (redirected from Grain drill)

drill

[dril]

Etymology: Dutch drillen, to bore

1 a rotating cutting instrument for making holes in hard substances, such as bones or teeth.

2 See burr.

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drill,

n a cutting instrument for boring holes by rotary motion.

drill, bibevel

(bībev´l),
n a drill with two flattened sides and the end cut in two beveled planes.

drill, spear-point,

n a drill with a tri-beveled, or threeplaned, point.

drill, trephine

(trifīn´),
n a surgical drill with a hollow cutting head used to remove a circular section of bone or other tissue; also used to remove failed dental implants.

drill, twist,

n a drill with one or more deep spiral grooves that extend from the point to the smooth part of the shaft.

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drill

1. one of the Old World monkeys; resembles the mandrill but has a black face. Called also Mandrillus leucophaeus.

2. in dentistry, a mechanical device used for removing tooth structure. See also bur.

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Patient discussion about Grain drill.

Q. What do you do when one gets an Asthma attack? like what is the drill and what steps i need to do in order to help him ?

A. First thing to do before you have an attack is to find out what your triggers are like smoke,cats,dogs,food,dust--get yourself a pulmonary dr.He will take test to find out what is causing your attacks-also drugs an alcohol can have effect on asthma--if you already have this, try your inhalor first,if it is not helping go to the emergency room at your hosp--mrfoot56.